From f9b36bf730fda5488be87b91fd03a6f7cbf64e73 Mon Sep 17 00:00:00 2001
From: Daniil Rozanov <daniilrozzanov@gmail.com>
Date: Wed, 24 Apr 2024 03:34:52 +0300
Subject: refactor: full rewrite

---
 lua/cmake/fileapi.lua | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 lua/cmake/fileapi.lua

(limited to 'lua/cmake/fileapi.lua')

diff --git a/lua/cmake/fileapi.lua b/lua/cmake/fileapi.lua
new file mode 100644
index 0000000..2f61677
--- /dev/null
+++ b/lua/cmake/fileapi.lua
@@ -0,0 +1,98 @@
+local capabilities = require("cmake.capabilities")
+local Path = require("plenary.path")
+local scan = require("plenary.scandir")
+local utils = require("cmake.utils")
+local uv = vim.loop
+
+local query_path_suffix = { ".cmake", "api", "v1", "query", "client-cmake", "query.json" }
+local reply_dir_suffix = { ".cmake", "api", "v1", "reply" }
+
+local FileApi = {}
+
+function FileApi.create(path, callback)
+	local query = Path:new(path, unpack(query_path_suffix)):normalize()
+	utils.file_exists(query, function(exists)
+		if not exists then
+			if capabilities.json.fileApi then
+				vim.schedule(function()
+					--TODO: change to async
+					vim.fn.mkdir(Path:new(vim.fs.dirname(query)):absolute(), "p")
+					utils.write_file(query, vim.json.encode(capabilities.json.fileApi), callback)
+				end)
+			else
+				vim.notify("Bad fileApi ", vim.log.levels.ERROR)
+			end
+		else
+			callback()
+		end
+	end)
+end
+
+function FileApi.read_reply(path, callback)
+	local reply_dir = Path:new(path, unpack(reply_dir_suffix)):absolute()
+	utils.file_exists(reply_dir, function(exists)
+		if not exists then
+			return
+		end
+		local ret = { targets = {} }
+		scan.scan_dir_async(reply_dir, {
+			search_pattern = "index*",
+			on_exit = function(results)
+				if #results == 0 then
+					return
+				end
+				utils.read_file(results[1], function(index_data)
+					local index = vim.json.decode(index_data)
+					for _, object in ipairs(index.objects) do
+						if object.kind == "codemodel" then
+							utils.read_file(Path:new(reply_dir, object.jsonFile):absolute(), function(codemodel_data)
+								local codemodel = vim.json.decode(codemodel_data)
+								for _, target in ipairs(codemodel.configurations[1].targets) do
+									utils.read_file(
+										Path:new(reply_dir, target.jsonFile):absolute(),
+										function(target_data)
+											local target_json = vim.json.decode(target_data)
+											local _target = {
+												id = target_json.id,
+												name = target_json.name,
+												type = target_json.type,
+											}
+											if target_json.artifacts then
+												--NOTE: add_library(<name> OBJECT ...) could contain more than ohe object in artifacts
+												-- so maybe in future it will be useful to handle not only first one. Current behaviour
+												-- aims to get path for only EXECUTABLE targets
+												_target.path = target_json.artifacts[1].path
+											end
+											callback(_target)
+										end
+									)
+								end
+							end)
+						end
+					end
+				end)
+			end,
+		})
+		return ret
+	end)
+end
+
+function FileApi.query_exists(path, callback)
+	utils.file_exists(Path:new(path, unpack(query_path_suffix)):normalize(), function(query_exists)
+		callback(query_exists)
+	end)
+end
+
+function FileApi.exists(path, callback)
+	FileApi.query_exists(path, function(query_exists)
+		if not query_exists then
+			callback(false)
+		else
+			utils.file_exists(Path:new(path, unpack(reply_dir_suffix)):normalize(), function(reply_exists)
+				callback(reply_exists)
+			end)
+		end
+	end)
+end
+
+return FileApi
-- 
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